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Diffstat (limited to '')
| -rwxr-xr-x | tools/crm_standby.in | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/tools/crm_standby.in b/tools/crm_standby.in new file mode 100755 index 0000000..0911b9d --- /dev/null +++ b/tools/crm_standby.in @@ -0,0 +1,158 @@ +#!@BASH_PATH@ +# +# Copyright 2009-2018 the Pacemaker project contributors +# +# The version control history for this file may have further details. +# +# This source code is licensed under the GNU General Public License version 2 +# or later (GPLv2+) WITHOUT ANY WARRANTY. +# + +USAGE_TEXT="Usage: crm_standby <command> [options] + +Common options: + --help Display this text, then exit + --version Display version information, then exit + -V, --verbose Specify multiple times to increase debug output + -q, --quiet Print only the standby status (if querying) + +Commands: + -G, --query Query the current value of standby mode (on/off) + -v, --update=VALUE Update the value of standby mode (on/off) + -D, --delete Let standby mode use default value + +Additional Options: + -N, --node=NODE Operate on the named node instead of the current one + -l, --lifetime=VALUE Until when should the setting take effect + (valid values: reboot, forever) + -i, --id=VALUE (Advanced) XML ID used to identify standby attribute" + +HELP_TEXT="crm_standby - Query, enable, or disable standby mode for a node + +Nodes in standby mode may not host cluster resources. + +$USAGE_TEXT +" + +exit_usage() { + if [ $# -gt 0 ]; then + echo "error:" "$@" >&2 + fi + echo + echo "$USAGE_TEXT" + exit 1 +} + +op="" +options="" +lifetime=0 +target="" + +SHORTOPTS_DEPRECATED="U:Q" +LONGOPTS_DEPRECATED="uname:,get-value,delete-attr,attr-value:,attr-id:" +SHORTOPTS="VqGv:DN:l:i:" +LONGOPTS="help,version,verbose,quiet,query,update:,delete,node:,lifetime:,id:" + +TEMP=$(@GETOPT_PATH@ -o ${SHORTOPTS}${SHORTOPTS_DEPRECATED} \ + --long ${LONGOPTS},${LONGOPTS_DEPRECATED} \ + -n crm_standby -- "$@") +if [ $? -ne 0 ]; then + exit_usage +fi + +eval set -- "$TEMP" # Quotes around $TEMP are essential + +while true ; do + case "$1" in + --help) + echo "$HELP_TEXT" + exit 0 + ;; + --version) + crm_attribute --version + exit 0 + ;; + -q|--quiet|-V|--verbose|-Q) + options="$options $1" + shift + ;; + -N|--node|-U|--uname) + target="$2" + shift + shift + ;; + -G|--query|--get-value) + options="$options --query" + op=g + shift + ;; + -v|--update|--attr-value) + options="$options --update $2" + op=u + shift + shift + ;; + -D|--delete|--delete-attr) + options="$options --delete" + op=d + shift + ;; + -l|--lifetime) + options="$options --lifetime $2" + lifetime=1 + shift + shift + ;; + -i|--id|--attr-id) + options="$options --id $2" + shift + shift + ;; + --) + shift + break + ;; + *) + exit_usage "unknown option '$1'" + ;; + esac +done + +# It's important to call cluster commands only after arguments are processed, +# so --version and --help work without problems even if those commands don't. +if [ "$target" = "" ]; then + target=$(crm_node -n) +fi + +options="-N $target -n standby $options" +if [ x$op = x ]; then + options="$options -G"; op=g +fi + +# If the user didn't explicitly specify a lifetime ... +if [ $lifetime -eq 0 ]; then + case $op in + g) + # For query, report the forever entry if one exists, otherwise + # report the reboot entry if one exists, otherwise report off. + crm_attribute $options -l forever >/dev/null 2>&1 + if [ $? -eq 0 ]; then + options="$options -l forever" + else + options="$options -l reboot -d off" + fi + ;; + u) + # For update, default to updating the forever entry. + options="$options -l forever" + ;; + d) + # For delete, default to deleting both forever and reboot entries. + crm_attribute $options -l forever + crm_attribute $options -l reboot + exit 0 + ;; + esac +fi + +crm_attribute $options |